-ic -ol b-u bbb bbc bbi bbl bbo bbr bbs bbu bcb bcc bci bcl bco bcr bcs bcu bi- bib bic bii bil bio bir bis biu blb blc bli bll blo blr bls blu bob boc boi bol boo bor bos bou brb bri brl bro brr brs bru bsb bsc bsi bsl bso bsr bss bsu bub buc bui bul buo bur bus buu c-- cbb cbc cbi cbl cbo cbr cbs cbu ccb ccc cci ccl cco ccr ccs ccu ci- cib cic cii cil cio cir cis ciu cl- clb clc cli cll clo clr cls clu co- cob coc coi col coo cor cos cou crb crc cri crl cro crr crs cru csb csc csi csl cso csr css csu cub cuc cui cul cuo cur cus cuu ibb ibc ibi ibl ibo ibr ibs ibu icb icc ici icl ico icr ics icu iib iic iii iil iio iir iis iiu il- ilb ilc ili ill ilo ilr ils ilu io- iob ioc ioi iol ioo ior ios iou ir- irb irc iri irl iro irr irs iru is- isb isc isi isl iso isr iss isu iu- iub iuc iui iur ius lbb lbc lbi lbl lbo lbr lbs lbu lcb lcc lci lcl lco lcr lcs lcu lib lic lii lil lio lir lis liu llb llc lli lll llo llr lls llu lob loc loi lol loo lor los lou lrb lrc lri lro lrr lrs lru lsb lsc lsi lsl lso lsr lss lsu lub luc lui lul luo lur lus luu o-i ob- obb obc obi obl obo obr obs obu oc- ocb occ oci ocl oco ocr ocs ocu oib oic oii oil oio oir ois oiu olb olc oli oll olo ols olu oo- oob ooc ooi ool ooo oor oos or- orb orc ori orl oro orr ors oru os- osb osc osi osl oso osr oss osu ou- ouc oui oul ouo our ous rbb rbc rbi rbl rbo rbr rbs rbu rcb rcc rci rcl rco rcr rcs rcu rib ric rii ril rio rir ris rlc rli rll rlo rlr rls rlu rob roc roi rol roo ror ros rou rrb rrc rri rrl rrr rrs rru rsb rsc rsi rsl rso rsr rss rsu rub ruc rui ruo rur rus ruu sbb sbc sbi sbl sbo sbr sbs sbu scb scc sci scl sco scr scs scu sib sic sii sil sio sir sis siu slb slc sli sll slo slr sls slu sob soc soi sol soo sor sos sou sr- srb src sri srl sro srr srs ss- ssb ssc ssi ssl sso ssr sss ssu sub suc sui sul suo sur sus suu ubb ubc ubi ubl ubo ubr ubs ubu ucb ucc uci ucl uco ucr ucs ucu uib uic uii uil uio uir uis uiu ulb ulc uli ull ulo ulr uls ulu uob uoc uol uoo uor uos ur- urb urc uri url uro urr urs uru usb usc usi usl uso usr uss usu uuc uur uus uuu

-ous bbbb bbbs bbci bblb bbls bbrc bcbc bcbs bccc bcci bccl bccs bcis bcor bcos bcrs bcru bcsc bcsl bcss bcuc bibb bibi bibl bibo bibs bicc bici bico bics biis bili bill bilo bils bilu bio- bioc bioi biol bios biou birb biri birl biro birr birs biru bis- bisc bisl biso biss bisu blcu blic blio blir blis blls blob bloc bloo blou blrc blss blub blur blus bobb bobi bobo bobs bobu boco bocs bocu boi- boii boil bois boiu boli boll bolo bols bolu boob booc bool boor boos bor- bori boro borr bors boru bosc bosi boso boss bosu boul bour bous brcb bric bril brio bris brls brob broc brol broo bror bros brou brrr brrs brsb brsr bruc brus bsci bscs bsic bslc bsos bssc bubb bubi bubo bubs bubu bucc buci buco bucs bucu buic buir buis buiu bulb buli bull buls bulu buol bur- burb buri burl buro burr burs buru busc busi buss busu buus c-bo cbbc cbbs cbcc cbcl cbcr cbcs cbcu cbir cblb cblc cbol cbrl cbsc cbsi cbus ccbc cccb cccc ccci cccl cccs cccu ccic ccii ccil ccir ccis cclc ccli ccls ccob ccoc ccrc ccri ccrl ccrs ccsi ccsl ccss ccuc ccus cibc cibi cibo cicc cici cico cicr cics cicu ciii ciis cili cill cilo cils ciob cior cios cirb circ ciri cirl ciro cirr cirs cis- cisc cisl cisr ciss ciuc cius clib clic clii clio clir clis clob cloo clor clos clou clri clro clrs clsc club cobb cobi cobo cobs cobu coco cocu coil coir cois col- colb coli coll colo cols colu coob cool coos cor- corb corc cori corl coro corr cors cosc cosi cosl coso coss coub coul cour cous crbc crbu crcc crcr crib cric cris criu crls crob croc crol croo cror crss crub crus cscb cscc csci cscl csco cscr cscs csib csio csir csis cslr cslu csob csor csos csrc csrs cssr csur csus cub- cubb cubi cubs cucc cuci cui- cuil cuir cuis culb culc cull culo culs curb curi curl curo curr curs cusb cuso cuss cusu ibcs ibis ibos ibrc ibri ibro ibss ibus icbc icbs iccb iccc icci iccl icco iccr iccs iccu icis icll iclr icoc icor icos icrc icrr icrs icru icsb icsc icsi icsr icss icub icus iiii iiio iiis iioi iioo iios iirc iirs iisc iisi iisr iisu iiuc ilbc ilic ilio ilir ilis ill- illi illo ills iloc iloo ilos ilus iobi ioci ioii ioio iolo iooi iooo ioos iori iors ioso iosu ious ircc ircs ircu iri- iric iril irio iris irlb irob iroc irrc irri irrs irul irus isbl iscc isci isco iscr iscs iscu isic isil isis isls iso- isoc isol isor isos isri issc issi isso issr isss issu isus iucc iuiu iuss lbcc lblr lbos lbrs lbsc lcbc lccc lccs lcis lcls lcor lcrl